//
export class MyData{
    //各类属性初始化
    //name: string = "";
    //age: string = "";

    book_ID : number = -1;
    book_title : string = "";
    book_author : string = "";
    book_price : number = -1;
    book_description :string = "";
    book_category_ID : number = -1;
    
    constructor (ID : number , title : string , author : string , price : number , description : string , cate_ID : number ){
        this.book_ID = ID;
        this.book_title = title;
        this.book_author = author;
        this.book_price = price;
        this.book_description = description;
        this.book_category_ID = cate_ID;
    }
}